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Posted to issues@calcite.apache.org by "Vladimir Sitnikov (Jira)" <ji...@apache.org> on 2020/01/11 13:08:00 UTC
[jira] [Commented] (CALCITE-3725) RelMetadataTest fails with NPE
due to unsafe RelMetadataQuery.instance call
[ https://issues.apache.org/jira/browse/CALCITE-3725?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17013487#comment-17013487 ]
Vladimir Sitnikov commented on CALCITE-3725:
--------------------------------------------
[~jinxing6042@126.com], would you please revise the metadata tests added in CALCITE-3428 so they do not use RelMetadataQuery.instance before it is actually initialized?
> RelMetadataTest fails with NPE due to unsafe RelMetadataQuery.instance call
> ---------------------------------------------------------------------------
>
> Key: CALCITE-3725
> URL: https://issues.apache.org/jira/browse/CALCITE-3725
> Project: Calcite
> Issue Type: Bug
> Components: core
> Affects Versions: 1.21.0
> Reporter: Vladimir Sitnikov
> Priority: Major
>
> {noformat}
> org.apache.calcite.test.RelMetadataTest > testColumnUniquenessForMinusWithConstantColumns() FAILED
> java.lang.NullPointerException
> at java.util.Objects.requireNonNull(Objects.java:203)
> at org.apache.calcite.rel.metadata.RelMetadataQuery.<init>(RelMetadataQuery.java:141)
> at org.apache.calcite.rel.metadata.RelMetadataQuery.<init>(RelMetadataQuery.java:106)
> at org.apache.calcite.rel.metadata.RelMetadataQuery.instance(RelMetadataQuery.java:174)
> at org.apache.calcite.test.RelMetadataTest.testColumnUniquenessForMinusWithConstantColumns(RelMetadataTest.java:1057)
> {noformat}
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